Add implementation

1 files changed, 74 insertions, 0 deletions

diff --git a/openssl/utility.hxx b/openssl/utility.hxx
new file mode 100644
index 0000000..5a905ab
--- /dev/null
+++ b/openssl/utility.hxx
@@ -0,0 +1,74 @@
+// file      : openssl/utility.hxx -*- C++ -*-
+// copyright : Copyright (c) 2014-2018 Code Synthesis Ltd
+// license   : MIT; see accompanying LICENSE file
+
+#ifndef OPENSSL_UTILITY_HXX
+#define OPENSSL_UTILITY_HXX
+
+#include <string>  // to_string()
+#include <utility> // move(), forward(), declval(), make_pair()
+#include <cassert> // assert()
+
+#include <libbutl/utility.mxx>    // casecmp(), reverse_iterate(), etc
+#include <libbutl/fdstream.mxx>
+#include <libbutl/filesystem.mxx>
+
+#include <openssl/types.hxx>
+#include <openssl/version.hxx>
+
+namespace openssl
+{
+  using std::move;
+  using std::forward;
+  using std::declval;
+
+  using std::make_pair;
+  using std::to_string;
+
+  // <libbutl/utility.mxx>
+  //
+  using butl::ucase;
+  using butl::lcase;
+  using butl::casecmp;
+
+  using butl::trim;
+  using butl::next_word;
+
+  using butl::reverse_iterate;
+
+  using butl::make_guard;
+  using butl::make_exception_guard;
+
+  using butl::getenv;
+  using butl::setenv;
+  using butl::unsetenv;
+
+  using butl::eof;
+
+  using butl::throw_generic_error;
+  using butl::throw_system_error;
+
+  using butl::throw_generic_ios_failure;
+  using butl::throw_system_ios_failure;
+
+  // <libbutl/filesystem.mxx>
+  //
+  using butl::file_exists;
+
+  using butl::auto_rmfile;
+  using butl::auto_rmdir;
+
+  // <libbutl/fdstream.mxx>
+  //
+  using butl::stdin_fdmode;
+  using butl::stdout_fdmode;
+  using butl::fdnull;
+  using butl::fddup;
+
+  // Securely clear a memory buffer.
+  //
+  void
+  mem_clear (void*, size_t);
+}
+
+#endif // OPENSSL_UTILITY_HXX